Periodic Table/Gadolinium/¹³⁷Gd

← 136Gd138Gd →

¹³⁷Gd

Gadolinium-137

Radioactive· Half-life: 2.20 s

Nuclear Propertiesbinding energy · spin-parity · abundance

Protons (Z)

64

Neutrons (N)

73

Mass Number (A)

137

Atomic Mass

136.945020AMU

Spin / Parity

7/2

Binding E/A

7.841keV

Natural Abundance

Trace / None

Half-life

2.20 s

Decay Modesoverview · half-life · α · β⁻ · β⁺

β⁺

100.0%

β⁺p

Decay Chain

¹³⁷GdGadolinium2.20 s

β⁺100.0%

β⁺p¹³⁶Sm

¹³⁷EuEuropium8.40 s

β⁺100.0%

¹³⁷SmSamarium45.0 s

β⁺100.0%

¹³⁷PmPromethium?

β⁺

¹³⁷NdNeodymium38.5 min

β⁺100.0%

¹³⁷PrPraseodymium1.28 h

β⁺100.0%

¹³⁷CeCerium9.00 h

β⁺100.0%

¹³⁷LaLanthanum60.0 ky

EC100.0%

¹³⁷BaBariumSTABLE

9-step decay chain → stable · Primary path shown · branching ratios indicated

Other Isotopes of Gadolinium

133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172

← Back to GadoliniumData: IAEA NDS · ENSDF